Re: [PATCH 2/2] cpusets: update tasks' cpus_allowed and mems_allowed after CPU/NODE offline/online

[Paul Menage]

On Wed, Jun 4, 2008 at 2:30 AM, Paul Menage <menage@xxxxxxxxxx> wrote:
> On Tue, Jun 3, 2008 at 7:05 PM, Miao Xie <miaox@xxxxxxxxxxxxxx> wrote:
>>
>> Maybe we need to add a flag in the task_struct to mark which task can't be
>> unbound?
>
> Yes, something like a PF_CPU_BOUND flag that gets set in
> kthread_bind() and checked for in set_cpus_allowed() would be the
> right way to handle that. We have an internal change like that against
> an older kernel verison - I'll see if I can find someone to forward
> port it and send it in.

And in fact they already did, and sent it to lkml a few months ago:

   http://marc.info/?l=linux-kernel&m=120419372032623

Paul
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